On Thu, Oct 26, 2017 at 12:15:32PM +0100, Chris Wilson wrote: > Quoting Michał Winiarski (2017-10-26 11:52:31) > > On Thu, Oct 26, 2017 at 08:31:27AM +0100, Chris Wilson wrote: > > > For measuring the cost of preemption, inject a low priority spinner > > > between the two measurements; the difference between the preemption and > > > the normal dispatch includes both the cost of the spinner dispatch and > > > of preempting it. Close enough for us to estimate the cost of > > > preemption, though we don't measure the cost of preemption on the local > > > ring! > > > > And as expected, we're seeing more delay with GuC, probably from worker > > scheduling delay (~2ms on my SKL if I'm reading the results correctly). > > > > Reviewed-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> You forgot to... wait... > And I forgot to copy'n'paste the r-b before pushing. The inquisition > will be calling shortly. B...b.b.but you're not supposed to expect the (spanish) inquisition... =( -- Petri Latvala _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
